Finding the Fourth Proportional to 226,571.34, 312,661.84 and 124,596.70
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Solution
The fourth proportional to 226,571.34, 312,661.84 and 124,596.70 is: 171,939.81
Step by Step Solution
- Step 1: Write the proportion equation
226,571.34 : 312,661.84 = 124,596.70 : x - Step 2: Convert to fraction form
226,571.34/312,661.84 = 124,596.70/x - Step 3: Cross multiply
226,571.34x = 312,661.84 × 124,596.70 - Step 4: Simplify right side
226,571.34x = 38,956,632,386.78 - Step 5: Solve for x
x = 38,956,632,386.78/226,571.34 - Step 6: Final answer
x = 171,939.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.